5 C.F.R. § 894.503
Are belated enrollments or changes allowed?
Cite as 5 C.F.R. § 894.503 (2026)
(a) The time limit for enrolling or changing your enrollment may be extended up to 3 months after the date you became newly eligible or had a
QLE
or after the end of an open season. To qualify, you must demonstrate to the
Administrator
that you were not able to enroll or change your enrollment on time for reasons beyond your control.
(b) If the
Administrator
allows you to make a belated enrollment or enrollment change, you must enroll or change within 30
days
after the
Administrator
notifies you of its determination.